General Pump / Interpump K5 / (ZK5 GP) flow activated unloader valve.
3000psi Maximum Rated Pressure
- 3/8" Female Inlet / Male Outlet
- 3/4" Male Bypass with 1/2" Female inner thread
- 165°F max temperature
- Z-K5.1 - 3.0 to 4.2gpm
- Z-K5.2 - 4.2 to 6.6gpm
- Z-K5.3 - 6.6 to 10.8gpm
Always choose the best match for your pump GPM.
Unloader valves are one of the most important safety devices on a pressure washer system. Failure to install and set the unloader properly could result in a very dangerous situation causing severe damage to the pump and possibly the operator.
Professional installation is required.